Is Tainan Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Tainan’s municipal tap water is treated and monitored under Taiwan’s drinking water standards. It is generally safe for household uses such as bathing and washing.
For drinking, many residents boil or filter tap water, since building pipes and rooftop storage tanks can affect water quality after it leaves the treatment plant. If you drink it straight from the tap, use cold water and check that your building’s plumbing and storage tank are well maintained.
Last checked: 2026-10-23
Taiwan is ranked as number 59 globally with a score of 69% in the water quality EPI research conducted by Yale University.
Source of Water in Tainan, Taiwan
Tainan’s tap water comes mainly from surface water stored in Nanhua Reservoir and the Tsengwen-Wushantou reservoir system. Groundwater also supplements supplies in some areas.
The water is treated at local water-treatment plants before it enters the distribution network. The mix of sources can vary by location and operating conditions.
Tainan Drinking Fountains
Public drinking fountains labeled as potable and regularly maintained are generally safe to use in Tainan. Use fountains with clear drinking-water signage, and avoid those that appear damaged or poorly maintained.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Tainan. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
Nearby Places
About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.